20 lines
538 B
Text
20 lines
538 B
Text
|
import standard
|
|||
|
|
using tactic
|
|||
|
|
|
|||
|
|
definition my_tac1 := apply @refl
|
|||
|
|
definition my_tac2 := repeat (apply @and_intro; assumption)
|
|||
|
|
|
|||
|
|
tactic_hint my_tac1
|
|||
|
|
tactic_hint my_tac2
|
|||
|
|
|
|||
|
|
theorem T1 {A : Type.{2}} (a : A) : a = a
|
|||
|
|
|
|||
|
|
theorem T2 {a b c : Bool} (Ha : a) (Hb : b) (Hc : c) : a ∧ b ∧ c
|
|||
|
|
|
|||
|
|
definition my_tac3 := fixpoint (λ f, [apply @or_intro_left; f |
|
|||
|
|
apply @or_intro_right; f |
|
|||
|
|
assumption])
|
|||
|
|
|
|||
|
|
tactic_hint [or] my_tac3
|
|||
|
|
theorem T3 {a b c : Bool} (Hb : b) : a ∨ b ∨ c
|